Lincoln Electric SVM162-B service manual Schematic Entire Machine Above Code 11000 G5691

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G-8

ELECTRICAL DIAGRAMS

G-8

SCHEMATIC - ENTIRE MACHINE - ABOVE CODE 11000 (G5691)

ENGINEERING CONTROLLED

CHANGE DETAIL: RELEASED FROM X A.02

TOROID SCR1 GATE

1G569Push & hold

MANUFACTURER: No

menu options( jumper IN) TOROID

1J13

1J4

G1

216

left heat-sink

right heat-sink

no menu options ( jumper out)

SCR2 GATE

at power up = defaults

343

GND

2J13

5J4

SCR3 GATE

G2

G4

SCR4

S3

1

344

Data

3J13

2J4

SCR4 GATE

G3

G1

SCR1

METER

344

Clock

4J13

SCR drive

4J4

G4

G2

MAIN

MENU

J7

2

347

345

Menu Switch

5J13

9J4

SCR1,SCR2 CATHODE

218

-

SWITCH

BOARD

3

345

346

+5

6J13

ckts

SCR3 CATHODE

217

220

RECTIFIER

Meter shows

4

347

7J13

6J4

Free Wheeling diode

316D

preset & actual

343

8J13

&

10J4

SCR4 CATHODE

216

very top of welder +

50HZ MACHINE ONLY

Caliberation: see new control

bd. instructions

snubbers

7J4

X

SCR3,SCR4 ANODE

220

220B

D1

346

J8 (6pin)

3J4

SCR3

SCR2

50/60HZ MACHINE

8J4

X

G3

Menu Switch hold to get to TIG options

not used

1J6

TOROID SHUNT (+)

W 221

217

MAIN

BYPASS ASSEMBLY

ONLY

lift TIG,

upslope

Menu Switch hold to get to Stick options

amp

SHUNT (-)

218

in reconnect area

C4

tig hot start levels, micro start

2J6

R 222

PT375 = 86 vac

TRANSFORMER

pre flow/after flow time extended

arc force levels

TOROID

TOROID

R 222(-)

SHUNT

center of base mounted on its side

.0047/ 3KV

MAX

CW

see IM for details and more

hot start levels

311

+10V

1J9

6J11

265

PT275 =75 vac

MICRO SWITCH ON POLARITY SWITCH

W 221(+)

400A/200mV

to X2

T1

H5

HIGH

POWER SWITCH

C5

OUTPUT

R1 10K

312

PRESET (0 - 10V)

2J9

IC chip

12J11

MICRO SWITCH ON POLARITY SWITCH

266

218A 220A 216A 217A

upper left

PT375 ONLY

H4

L1

314

+1.5V

4J9

scaling

1J11

VOLT FEEDBACK, ELECTRODE

252

OUTPUT

X1

H3

MID

CW

320

MIN OUTPUT (0 - 1.5V)

10J9

controller

9J11

VOLT FEEDBACK, WORK

253

L1

223

H2

LOW

L2A

MIN

322

BALANCE (0 - 10V)

12J9

AC & DC STICK OCV BOOST CIRCUIT,

INDUCTOR

RECONNECT

BYPASS PCB

R4

+15V

middle section

X13

313A

316

6J9

PRESENT ONLY ON PRECISION TIG 375

75vac

PANEL

L1A

SCHE. S24206-X

OUTPUT

10K

317

REMOTE (+15V)

7J9

right front lower

313B

318

POSTFLOW (0 - 15V)

8J9

TOROID

(375 only)

H1

L2

321

DISPLAY MIN A (+15V)

11J9

224

DC+

X2

311A

CW

315

DISPLAY VOLT (+15V)

5J9

1J12

115VAC IN

256

225

228

DC+

AC

AC

MICRO SWITCH

R2

STICK (+15V)

AC STICK

225A

BALANCE

319

COM

9J9

5J12

115VAC IN

255

CR3

DC-

DC-

H1

near power switch

10K

313

3J9

CR3

223

N.O.

IC chip

opto

DC STICK

CR2

CR2

Sets weld tables

AC

212

215

313C

either is ref

OCV BOOST

& CR2 ,CR3 control

-

AC

C1

C2

C3

controller

triac

to 231A

257

258

265

DC

+

DC

-

+

PRECISION TIG 375

REMOTE

317

RECTIFIER

318

opto

AC 227

CLOSED

DC

DC

ONLY

LOCAL

316

DC

8/300W

N.C.

in reconnect area

triac

CR3

CR2

IN DC

316A

CW

BOOST

BOOST

R14

226

266

POWER FACTOR

(SHOWN IN REMOTE)

POST FLOW

R3

115VAC

115VAC

220B

POLARITY

CAPACITORS

250

316B

316D

231C

227A

220A

10K

CR3

252

253

SWITCH

SEE NOTE A

313A

large cap and

231B

218A

S2

MIN A

321

313

115V common

375 ONLY

front

PT375: STANDARD, C1=C2=C3=60/460V

resistor filter

BACKGROUND CIRCUIT

current limiting resistors

PT275: OPTIONAL, C1=C2=50/460V

A

316C

TIG

R

ENABLED IN BOTH TIG

275 ONLY

C3 NOT PRESENT

& STICK, AC & DC

to main rectifier

VOLT

315

STICK

319

left front lower

275 = 5/50W 4 ea

TOROID

375 = 25/25W 4 ea

R7D218BR7C

230

upper section near lift bale

DISPLAY SWITCH

MODE SWITCH

3J11

BACKGND FILTER CAP., POS

R7B

R7A

BYPASS/STABILIZER

331 B

6J10

271

(SHOWN IN STICK)

11J11

BACKGND FILTER CAP., NEG

229A

271A

CONTROL PANEL

stick

W

1J10

PCB

331

10J11

BACKGND AC OUT

375 ONLY

bottom right in RF section

332 B

7J10

opto

R8B

BACKGND

(SCHEMATIC S22530)

2J11

BACKGND AC IN

270

STICK

AUTO BALANCE

REMOTE

GAS

THERMAL

auto

W

2J10

triac

269

RESISTORS

X5

332

OCV clamp

268

5/50W

(RED)

(GREEN)

(GREEN)

(GREEN)

(YELLOW)

333

B

8J10

1

BACKGND

63.5V

T1

remote

W

3J10

R8A 5/50W

333

1

RECTIFIER

X6

334 B

9J10

5v

1J7

B

W

a

229

B

W

B

W

B

W

B

W

c

3J7

gas

W

4J10

opto

334

2J7

PT375 use ONLY

331

332

333

334

335

335

B

10J10

triac

opto

5J7

HOLDING RESISTOR

thermo

W

5J10

4J7

min current range:

LED LIGHTS

335

triac

opto

6J7

375=2 to 65A

R1

TOROID

275=2 to 55A

triac

max current range:

HI-FREQ INTENSITY

50/100W

375=340A

base front

FREQUENCY

ON TIME

DOWN SLOPE

275=420A

(bottom behind fan)

HIGH VOLTAGE

(bottom right side)

FRONT

WORK

401C

401D

board mounted parts

R13

PRESENT ONLY ON

TRANSFORMER

3/25W

(right front)

CW

CW

CW

TOROID

200/100W

(right side in box)

PRECISION TIG 375

ELECTRODE

R9

ADVANCED CONTROL

6J12

HI-FREQ (115VAC)

236

T2

L2

238A

238

240

C6

(STICK WELDING)

402

R10

405

R12

407

R5

237

NOTE A:

10K

10K

10K

PCB

3J12

GAS (115VAC)

235

236B

(SCHEMATIC G4760-X)

4J12

115VAC IN

233A

C7

S

12.5 OHM TYP.

.0015/12KV

LEAD #250 FROM POWER FACTOR CAPACITORS

min

403

min

406

min

TOROID

(OPTIONAL ON PT275)

FAN (115VAC)

15/250V

5.5 OHMS

SPARK

FREQ. (.08 - 15V)

2J1

J2

2J12

260

14.5 KOHMS

12.5 OHM TYP.

HIGH FREQ.

CONNECTS ACCORDING TO THE INPUT VOLTAGE

SPOT

402

10 pin molex

TYP.

TYP.

GAP

115V common

208/230/460

401B

B

SPOT

BACK GROUND

403

ON TIME (1-15V)

3J1

F

L3

.015"

TRANSFORMER

401A

W

405

5J1

DIP

LEAD #250 CONNECTS TO "HIGH" TERMINAL ON

(RED)

B

408

406

DOWNSLOPE

6J1

(ADVANCED

T3

RECONNECT PANEL, ALONG WITH CORRECT LEAD

407

7J1

HI-FREQ CIRCUIT

FROM MAIN TRANSFORMER (T1)

4-STEP

CW

8J1

SELECTION)

SWITCH

Dip Switches select:

239

5KV

OFF

9J1

115V common

220/380/415

W

409

404

PULSE ON (15V)

10J1

a. re-start enable

(right side)

2-STEP

10K

4J1

b.ramp down to zero

LEAD #250 CONNECTS TO THE H5 LEAD OF

401

+15V

1J1

c. see IM for details

GAS

REAR

404

411

2-STEP (15V)

11J1

and more.

THE MAIN TRANSFORMER (T1)

411 401

PULSE

R11

410

PULSE LED

FEATURES

d.most old options

231D231ESOLENOID

PULSE

413

W

12J1

ELECTRODE

233A

TRIGGER

(GREEN)

flashes with

on menu feature now.

inside side box right

(115VAC)

230/460/575

(SHOWN IN 2-STEP)

413

1J20

+5 LED

+15 LED

235

231A

(TIG WELDING)

CB1

231A 231B

pulse frequency

SV1

115V common

115 V

LEAD #250 CONNECTS TO THE "MID" TERMINAL

W

2J20

233A

Fans "ON" @

115V/15A

ON THE RECONNECT PANEL, ALONG WITH CORRECT

ADVANCED CONTROL PANEL (OPTIONAL ON PT275)

HOT START TRIMMER

not used:see

outside of right side box

RECEPTACLE

2J5A

15A in stick modeE

(TOP of plug)

LEAD FROM THE MAIN TRANSFORMER (T1)

ARC FORCE TRIMMER

menu options

2A in tig mode

1

COOLER RELAY

"ON" with input power sw.

233

232

460/575

3J5A

3

X3

J3

1

2 3 4

"ON" 8 minutes after2

262 (12VDC)

233B

4J5A

PRECISION

weld stops

COOLER

LEAD #250 CONNECTS TO THE "LOW" TERMINAL

MOVE THIS PLUG FROM

5J5A

10 pin molex

231F

115VAC

ON THE RECONNECT PANEL, ALONG WITH CORRECT

7J5A

TIG 375 ONLY

CR4

RECEPTACLE

REMOTE

J5 TO J5A FOR ROBOTIC INTERFACE

BOTTOM FAN

(BOTTOM of plug)

X4

LEAD FROM THE MAIN TRANSFORMER (T1)

1J5A

TOP FAN

"ON" with output

T1

RECEPTACLE

6J5A

WHEN ADVANCED CONTROL

(115VAC)

FAN

FAN

(115VAC)

263

234

231

U

A

4J22

8J5A

TOROID

260

c.c. w

c.w.

ELECTRICAL SYMBOLS PER E1537

PCB IS NOT INSTALLED

262

intake

260A

exhaust

C8

C9

MAX

DISCONNECT FOR

5J11

COOLER, +12VDC IN TIG WELDING

PLUGGED TO

(top rear)

105VAC

10K

N

B

1J22

2J23

A

2J5

COOLER, COMMON

.22/400V

.22/400V

CB2

LEAD COLOR CODE:

COMPONENT VALUE UNITS:

WIPER

DOUBLE PRE/POST FLOW

13J11

263

PRECISION TIG 275 ONLY

COOLER RECEPTACLE

X14

R

C

2J22

3J23

MIN

B

3J5

To & From

driver

com

220V 2A

B-BLACK OR GRAY

CAPACITOR: MFD/VOLTS

B

D

3J22

4J23

C

4J5

IC chip

+8

14J11

TSTAT

214

212

220V/5A

G-GREEN

RESISTOR: OHMS/WATTS

RECEPTACLE

O-ORANGE

W

E

6J22

5J23

D

5J5

opto

com

+12

4J11

TSTAT

Make sure that the rear EXTERNAL

OPTIONAL

R-RED OR PINK

CONNECTOR PIN NUMBERS:

7J23

E

7J5

20VAC

209

X7

baffle is inplace and not damaged.

215

SV2

50/60HZ MACHINES ONLY

U-BLUE

F

5J22

1J23

F

1J5

8J11

213

N.C.

N.C.

WATER

W-WHITE

EX. 12 PIN CONNECTOR

16J11

CONTROL BOARD SUPPLY

X8

wounded into

lead

(115VAC)

SOLENOID

Y-YELLOW

1 2

6

TOROID

PROTECTION

TOROID

6J5

to thermo

210

T1

primary

mounted

KIT

LABELS:

TM

8J5

7J11

20VAC

201

X9

PRIMARY TSTAT

SECONDARY TSTAT

COMMON

PCB

led & CPU

X10

(OF MAIN TRANSFORMER T1)

PRECISION TIG 375

7

12

OPTIONAL AMPTROL REMOTE

K870 foot pedal jumper

15J11

TRIGGER CIRCUIT

CONTROL AND ARC START SWITCH

(SCHEMATIC M16115)

204

AUX. WINDINGS OF

TOP FAN

turns off SCR's

ONLY

FRAME GROUND

LATCH

to enable Pot (R1) max output

CONTROL PCB

EARTH GROUND

VIEW OF CONNECTOR ON PC BOARD

limiter fearure. Jumper not used

( SCHEMATIC G4762-X)

MAIN TRANSFORMER T1

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED

in Robotic molex position J5A

PROPRIETARY & CONFIDENTIAL:TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.

1

THE INFORMATION ON THIS

DESIGN INFORMATION

SCALE:

EQUIPMENT TYPE:

PRECISION TIG

1

PRINT IS FOR REFERENCE

DRAWN BY:

bburkhart

NONE

PAGE ___ OF ___

ONLY. COMPONENTS AND

IF PRINTED

MACHINE SCHEMATIC

DOCUMENT

DOCUMENT

ENGINEER:

burkhart

@ A1 SIZE

SUBJECT:

NUMBER:

EDGE

CIRCUITRY MAY BE DIFFERENT

REVISION:

EN170-

FROM AN ACTUAL MACHINE.

APPROVED:

-

UNITS:

MATERIAL

NA

APPROVAL

PROJECT

CRM38261

REFERENCE:

G5691

A

SOLID

NONE

DISPOSITION:

DATE:

7-27-2007

NUMBER:

G4075

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

®

PRECISION TIG 275